City of Columbia


410 Area code: Columbia, Howard - Wireless

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 4108689600 | +1 410-868-9600 Maryland U.S.A.
  • 4108689601 | +1 410-868-9601 Maryland U.S.A.
  • 4108689602 | +1 410-868-9602 Maryland U.S.A.
  • 4108689603 | +1 410-868-9603 Maryland U.S.A.
  • 4108689604 | +1 410-868-9604 Maryland U.S.A.
  • 4108689605 | +1 410-868-9605 Maryland U.S.A.
  • 4108689606 | +1 410-868-9606 Maryland U.S.A.
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  • 4108689611 | +1 410-868-9611 Maryland U.S.A.
  • 4108689612 | +1 410-868-9612 Maryland U.S.A.
  • 4108689613 | +1 410-868-9613 Maryland U.S.A.
  • 4108689614 | +1 410-868-9614 Maryland U.S.A.
  • 4108689615 | +1 410-868-9615 Maryland U.S.A.
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  • 4108689653 | +1 410-868-9653 Maryland U.S.A.
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  • 4108689699 | +1 410-868-9699 Maryland U.S.A.